| Type: | grandslamwc |
| Champ: |  Kristina Dmitruk Diana Shnaider |
| Runner: |  Sofia Costoulas Laura Hietaranta |
| Score: | 6–1, 6–2 |
| Before Name: | Wimbledon Championships – Girls' doubles |
| After Name: | Wimbledon Championships – Girls' doubles |
| Before Year: | 2019 |
See main article: article and 2021 Wimbledon Championships.
Kristina Dmitruk and Diana Shnaider won the title, defeating Sofia Costoulas and Laura Hietaranta in the final, 6–1, 6–2.[1]
Savannah Broadus and Abigail Forbes were the defending champions from when the event was last held in 2019,[2] but were no longer eligible to participate in junior tournaments.